"last ditch defense" . . . "pushed back into a pocket" . "500,000" . . . "German breakthrough around Kortrijk" . "1940-05-28" . . . "12 divisions" . . . "Belgium" . "Lys battle" . "German victory" . . . "Lys Battle" . "when the Germans attacked on the 25th of May" . . . "fighting on the Lys river" . "40,000+ casualties" . . . "the breakthrough of the Germans" . "Battle of the Lys (1940)" . "along the Leie river" . "enemy attacks on the river Lys" . . "*Vinkt massacre" . "La Lys 1940" . . "* Belgian surrender on 28 May" . . . . "Battle of the Lys (1940)" . "Battle of the Lys" . . . . "United Kingdom" . . . . . "German breakthrough near Kortrijk" . .